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EN-MC32110 Magnesium vs. EN 1.3551 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.3551 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
220
Elastic (Young's, Tensile) Modulus, GPa 49
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 220
720

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 99
530
Melting Completion (Liquidus), °C 600
1490
Melting Onset (Solidus), °C 500
1450
Specific Heat Capacity, J/kg-K 950
460
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
4.9
Embodied Energy, MJ/kg 150
71
Embodied Water, L/kg 920
82

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 58
9.8
Thermal Shock Resistance, points 12
21

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.77 to 0.85
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 2.4 to 3.0
0 to 0.3
Iron (Fe), % 0 to 0.050
88.8 to 91.1
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0